init commit

node_modules/@jet/environment/json/reader/traverse.js

@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.traverse = void 0;
+const optional_1 = require("../../types/optional");
+const key_path_1 = require("./key-path");
+function traverse(object, keyPath) {
+    if (typeof object !== "object") {
+        return object;
+    }
+    if (!(0, optional_1.isSome)(object)) {
+        return object;
+    }
+    const keys = (0, key_path_1.keysOf)(keyPath);
+    switch (keys.length) {
+        case 0:
+            return object;
+        case 1:
+            return object[keys[0]];
+        default:
+            // eslint-disable-next-line no-case-declarations
+            let currentObject = object;
+            for (const key of keys) {
+                const currentValue = currentObject[key];
+                if (typeof currentValue !== "object") {
+                    return currentValue;
+                }
+                if (!(0, optional_1.isSome)(currentValue)) {
+                    return currentValue;
+                }
+                currentObject = currentValue;
+            }
+            return currentObject;
+    }
+}
+exports.traverse = traverse;
+//# sourceMappingURL=traverse.js.map